<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>work</title>
	</head>
	<body>
		<!--This text is a comment-->
			<a name="top" href="#bottom">去底部</a>
			<div >
				<abbr title="etcetera">etc.</abbr>
				<address>北大青鸟合肥科海</address>
				<b>asda</b>
			</div>
			<a name="bottom" href="#top">去顶部</a>
	</body>
</html>
